configure

   1 #!/bin/sh
   2 #
   3 # tcc configure script (c) 2003 Fabrice Bellard
   4
   5 # set temporary file name
   6 # if test ! -z "$TMPDIR" ; then
   7 #     TMPDIR1="${TMPDIR}"
   8 # elif test ! -z "$TEMPDIR" ; then
   9 #     TMPDIR1="${TEMPDIR}"
  10 # else
  11 #     TMPDIR1="/tmp"
  12 # fi
  13 #
  14 # bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
  15
  16 TMPN="./conftest-$$"
  17 TMPH=$TMPN.h
  18
  19 # default parameters
  20 prefix=""
  21 execprefix=""
  22 bindir=""
  23 libdir=""
  24 tccdir=""
  25 includedir=""
  26 mandir=""
  27 infodir=""
  28 sysroot=""
  29 cross_prefix=""
  30 cc="gcc"
  31 ar="ar"
  32 strip="strip"
  33 bigendian="no"
  34 mingw32="no"
  35 LIBSUF=".a"
  36 EXESUF=""
  37 DLLSUF=".so"
  38 tcc_usrinclude=""
  39 tcc_sysincludepaths=""
  40 tcc_libpaths=""
  41 tcc_crtprefix=""
  42 tcc_elfinterp=""
  43 triplet=
  44 tcc_lddir=
  45 confvars=
  46 suggest="yes"
  47 cpu=
  48 cpuver=
  49 gcc_major=0
  50 gcc_minor=0
  51 cc_name="gcc"
  52 ar_set=
  53
  54 # OS specific
  55 targetos=`uname`
  56 case $targetos in
  57   Darwin)
  58     confvars="$confvars OSX dll=no"
  59     cc=`which cc`
  60     cc=`readlink $cc`
  61     tcc_usrinclude="`xcrun --show-sdk-path`/usr/include"
  62     DLLSUF=".dylib"
  63     ;;
  64   Windows_NT|MINGW*|MSYS*|CYGWIN*)
  65     mingw32=yes
  66     targetos=WIN32
  67     ;;
  68   DragonFly|OpenBSD|FreeBSD|NetBSD)
  69     confvars="$confvars BSD ldl=no"
  70     ;;
  71   *)
  72     ;;
  73 esac
  74
  75 # find source path
  76 source_path=${0%configure}
  77 source_path=${source_path%/}
  78 source_path_used="yes"
  79 if test -z "$source_path" -o "$source_path" = "." ; then
  80     source_path=`pwd`
  81     source_path_used="no"
  82 fi
  83
  84 for opt do
  85   eval opt=\"$opt\"
  86   case "$opt" in
  87   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
  88   ;;
  89   --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
  90   ;;
  91   --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
  92   ;;
  93   --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
  94   ;;
  95   --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
  96   ;;
  97   --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
  98   ;;
  99   --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
 100   ;;
 101   --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
 102   ;;
 103   --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
 104   ;;
 105   --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
 106   ;;
 107   --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
 108   ;;
 109   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
 110   ;;
 111   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
 112   ;;
 113   --cc=*) cc=`echo $opt | cut -d '=' -f 2`
 114   ;;
 115   --ar=*) ar=`echo $opt | cut -d '=' -f 2` ; ar_set="yes"
 116   ;;
 117   --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
 118   ;;
 119   --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
 120   ;;
 121   --extra-libs=*) extralibs="${opt#--extra-libs=}"
 122   ;;
 123   --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
 124   ;;
 125   --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
 126   ;;
 127   --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
 128   ;;
 129   --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
 130   ;;
 131   --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
 132   ;;
 133   --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
 134   ;;
 135   --enable-cross) confvars="$confvars cross"
 136   ;;
 137   --disable-static) confvars="$confvars static=no"
 138   ;;
 139   --enable-static) confvars="$confvars static"
 140   ;;
 141   --disable-rpath) confvars="$confvars rpath=no"
 142   ;;
 143   --strip-binaries) confvars="$confvars strip"
 144   ;;
 145   --debug) confvars="$confvars strip=no"
 146   ;;
 147   --with-libgcc) confvars="$confvars libgcc"
 148   ;;
 149   --with-selinux) confvars="$confvars selinux"
 150   ;;
 151   --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
 152   ;;
 153   --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
 154   ;;
 155   --help|-h) show_help="yes"
 156   ;;
 157   *) echo "configure: WARNING: unrecognized option $opt"
 158   ;;
 159   esac
 160 done
 161
 162 cc="${cross_prefix}${cc}"
 163 ar="${cross_prefix}${ar}"
 164 strip="${cross_prefix}${strip}"
 165
 166 if test -z "$cpu" ; then
 167     if test -n "$ARCH" ; then
 168         cpu="$ARCH"
 169     else
 170         cpu=`uname -m`
 171     fi
 172 fi
 173
 174 case "$cpu" in
 175   x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
 176     cpu="i386"
 177   ;;
 178   x86_64|amd64|x86-64)
 179     cpu="x86_64"
 180   ;;
 181   aarch64|arm64|evbarm)
 182     cpu="aarch64"
 183   ;;
 184   arm*)
 185     case "$cpu" in
 186       arm|armv4l)
 187         cpuver=4
 188       ;;
 189       armv5tel|armv5tejl)
 190         cpuver=5
 191       ;;
 192       armv6j|armv6l)
 193         cpuver=6
 194       ;;
 195       armv7|armv7a|armv7l)
 196         cpuver=7
 197       ;;
 198     esac
 199     cpu="arm"
 200   ;;
 201   alpha)
 202     cpu="alpha"
 203   ;;
 204   "Power Macintosh"|ppc|ppc64)
 205     cpu="ppc"
 206   ;;
 207   mips)
 208     cpu="mips"
 209   ;;
 210   s390)
 211     cpu="s390"
 212   ;;
 213   riscv64)
 214     cpu="riscv64"
 215   ;;
 216   *)
 217     echo "Unsupported CPU"
 218     exit 1
 219   ;;
 220 esac
 221
 222 # Checking for CFLAGS
 223 if test -z "$CFLAGS"; then
 224     CFLAGS="-Wall -O2"
 225 fi
 226
 227 if test "$mingw32" = "yes" ; then
 228     if test "$source_path_used" = "no"; then
 229       source_path="."
 230     fi
 231     test -z "$prefix" && prefix="C:/Program Files/tcc"
 232     test -z "$tccdir" && tccdir="${prefix}"
 233     test -z "$bindir" && bindir="${tccdir}"
 234     test -z "$docdir" && docdir="${tccdir}/doc"
 235     test -z "$libdir" && libdir="${tccdir}/libtcc"
 236     confvars="$confvars WIN32"
 237     LIBSUF=".lib"
 238     EXESUF=".exe"
 239     DLLSUF=".dll"
 240 else
 241     if test -z "$prefix" ; then
 242       prefix="/usr/local"
 243     fi
 244     if test -z "$sharedir" ; then
 245       sharedir="${prefix}/share"
 246     fi
 247     if test x"$execprefix" = x""; then
 248       execprefix="${prefix}"
 249     fi
 250     if test x"$libdir" = x""; then
 251       libdir="${execprefix}/lib"
 252     fi
 253     if test x"$bindir" = x""; then
 254       bindir="${execprefix}/bin"
 255     fi
 256     if test x"$docdir" = x""; then
 257       docdir="${sharedir}/doc"
 258     fi
 259     if test x"$mandir" = x""; then
 260       mandir="${sharedir}/man"
 261     fi
 262     if test x"$infodir" = x""; then
 263       infodir="${sharedir}/info"
 264     fi
 265     if test x"$tccdir" = x""; then
 266       tccdir="${libdir}/tcc"
 267     fi
 268     if test x"$includedir" = x""; then
 269       includedir="${prefix}/include"
 270     fi
 271 fi # mingw32
 272
 273 if test x"$show_help" = "xyes" ; then
 274 cat << EOF
 275 Usage: configure [options]
 276 Options: [defaults in brackets after descriptions]
 277
 278 Standard options:
 279   --help                   print this message
 280   --prefix=PREFIX          install in PREFIX [$prefix]
 281   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
 282                            [same as prefix]
 283   --bindir=DIR             user executables in DIR [EPREFIX/bin]
 284   --libdir=DIR             object code libraries in DIR [EPREFIX/lib]
 285   --tccdir=DIR             installation directory [EPREFIX/lib/tcc]
 286   --includedir=DIR         C header files in DIR [PREFIX/include]
 287   --sharedir=DIR           documentation root DIR [PREFIX/share]
 288   --docdir=DIR             documentation in DIR [SHAREDIR/doc/tcc]
 289   --mandir=DIR             man documentation in DIR [SHAREDIR/man]
 290   --infodir=DIR            info documentation in DIR [SHAREDIR/info]
 291
 292 Advanced options (experts only):
 293   --source-path=PATH       path of source code [$source_path]
 294   --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
 295   --sysroot=PREFIX         prepend PREFIX to library/include paths []
 296   --cc=CC                  use C compiler CC [$cc]
 297   --ar=AR                  create archives using AR [$ar]
 298   --extra-cflags=          specify compiler flags [$CFLAGS]
 299   --extra-ldflags=         specify linker options []
 300   --cpu=CPU                CPU [$cpu]
 301   --strip-binaries         strip symbol tables from resulting binaries
 302   --debug                  include debug info with resulting binaries
 303   --disable-static         make libtcc.so instead of libtcc.a
 304   --enable-static          make libtcc.a instead of libtcc.dll (win32)
 305   --disable-rpath          disable use of -rpath with the above
 306   --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a
 307   --enable-cross           build cross compilers
 308   --with-selinux           use mmap for executable memory (with tcc -run)
 309   --sysincludepaths=...    specify system include paths, colon separated
 310   --libpaths=...           specify system library paths, colon separated
 311   --crtprefix=...          specify locations of crt?.o, colon separated
 312   --elfinterp=...          specify elf interpreter
 313   --triplet=...            specify system library/include directory triplet
 314   --config-uClibc,-musl,-mingw32... enable system specific configurations
 315   --config-bcheck=no/-backtrace=no  disable bounds checker/stack backtraces
 316   --config-predefs=no      do not compile tccdefs.h, instead just include
 317 EOF
 318 #echo "NOTE: The object files are build at the place where configure is launched"
 319 exit 1
 320 fi
 321
 322 if test -z "$cross_prefix" ; then
 323   CONFTEST=./conftest$EXESUF
 324   if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
 325     echo "configure: error: '$cc' failed to compile conftest.c."
 326   else
 327     cc_name="$($CONFTEST compiler)"
 328     gcc_major="$($CONFTEST version)"
 329     gcc_minor="$($CONFTEST minor)"
 330     bigendian="$($CONFTEST bigendian)"
 331     _triplet="$($CONFTEST triplet)"
 332   fi
 333   if test "$mingw32" = "no" ; then
 334
 335       if test -z "$triplet"; then
 336         if test -n "$_triplet" -a -f "/usr/lib/$_triplet/crti.o" ; then
 337           triplet="$_triplet"
 338         fi
 339       fi
 340
 341       if test -z "$triplet"; then
 342         if test $cpu = "x86_64" -o $cpu = "aarch64" -o $cpu = "riscv64" ; then
 343           if test -f "/usr/lib64/crti.o" ; then
 344             tcc_lddir="lib64"
 345           fi
 346         fi
 347       fi
 348
 349       if test "$cpu" = "arm" ; then
 350         if test "${triplet%eabihf}" != "$triplet" ; then
 351            confvars="$confvars arm_eabihf arm_vfp"
 352         elif test "${triplet%eabi}" != "$triplet" ; then
 353            confvars="$confvars arm_eabi"
 354         fi
 355         if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
 356            confvars="$confvars arm_vfp"
 357         fi
 358       fi
 359
 360       if test "$suggest" = "yes"; then
 361         if test -f "/lib/ld-uClibc.so.0" ; then
 362           echo "Perhaps you want ./configure --config-uClibc"
 363         fi
 364         if test -f "/lib/ld-musl-$cpu.so.1"; then
 365           echo "Perhaps you want ./configure --config-musl"
 366         fi
 367       fi
 368   else # mingw32 = yes
 369       if test "$cc_name" = "gcc"; then
 370         # avoid mingw dependencies such as 'libgcc_s_dw2-1.dll'
 371         test -z "$LDFLAGS" && LDFLAGS="-static"
 372       fi
 373   fi
 374 else
 375   # if cross compiling, cannot launch a program, so make a static guess
 376   case $cpu in
 377     ppc|mips|s390)  bigendian=yes;;
 378   esac
 379 fi
 380
 381 if test "$bigendian" = "yes" ; then
 382   confvars="$confvars BIGENDIAN"
 383 fi
 384
 385 # a final configuration tuning
 386 if test "$cc_name" != "tcc"; then
 387   OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
 388   # we want -Wno- but gcc does not always reject unknown -Wno- options
 389   OPT2="-Wpointer-sign -Wsign-compare -Wunused-result -Wformat-truncation"
 390   if test "$cc_name" = "clang"; then
 391     OPT1="$OPT1 -fheinous-gnu-extensions"
 392     OPT2="$OPT2 -Wstring-plus-int"
 393   fi
 394   $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
 395   for o in $OPT1; do # enable these options
 396     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
 397   done
 398   for o in $OPT2; do # disable these options
 399     if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
 400   done
 401   # cat cc_msg.txt
 402   # echo $CFLAGS
 403   rm -f cc_msg.txt a.out
 404 else # cc is tcc
 405   test "$ar_set" || ar="$cc -ar"
 406 fi
 407
 408 fcho() { if test -n "$2"; then echo "$1$2"; fi }
 409
 410 fcho "Binary directory    " "$bindir"
 411 fcho "TinyCC directory    " "$tccdir"
 412 fcho "Library directory   " "$libdir"
 413 fcho "Include directory   " "$includedir"
 414 fcho "Manual directory    " "$mandir"
 415 fcho "Info directory      " "$infodir"
 416 fcho "Doc directory       " "$docdir"
 417 fcho "Target root prefix  " "$sysroot"
 418 fcho "/usr/include dir    " "$tcc_usrinclude"
 419 echo "Source path         $source_path"
 420 echo "C compiler          $cc ($gcc_major.$gcc_minor)"
 421 echo "Target OS           $targetos"
 422 echo "CPU                 $cpu"
 423 fcho "Triplet             " "$triplet"
 424 fcho "Config              " "${confvars# }"
 425 echo "Creating config.mak and config.h"
 426
 427 cat >config.mak <<EOF
 428 # Automatically generated by configure - do not modify
 429 prefix=$prefix
 430 bindir=\$(DESTDIR)$bindir
 431 tccdir=\$(DESTDIR)$tccdir
 432 libdir=\$(DESTDIR)$libdir
 433 includedir=\$(DESTDIR)$includedir
 434 mandir=\$(DESTDIR)$mandir
 435 infodir=\$(DESTDIR)$infodir
 436 docdir=\$(DESTDIR)$docdir
 437 CC=$cc
 438 CC_NAME=$cc_name
 439 GCC_MAJOR=$gcc_major
 440 GCC_MINOR=$gcc_minor
 441 AR=$ar
 442 STRIP=$strip -s -R .comment -R .note
 443 CFLAGS=$CFLAGS
 444 LDFLAGS=$LDFLAGS
 445 LIBSUF=$LIBSUF
 446 EXESUF=$EXESUF
 447 DLLSUF=$DLLSUF
 448 EOF
 449
 450 print_inc() {
 451   local v="$2"
 452   if test -n "$v"; then
 453     test "$3" = "num" || v="\"$v\""
 454     echo "#ifndef $1" >> $TMPH
 455     echo "# define $1 $v" >> $TMPH
 456     echo "#endif" >> $TMPH
 457   fi
 458 }
 459
 460 print_mak() {
 461   local v="$2"
 462   if test -n "$v"; then
 463     test "$3" = "num" || v="\"\\\"$v\\\"\""
 464     echo "NATIVE_DEFINES+=-D$1=$v" >> config.mak
 465   fi
 466 }
 467
 468 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 469
 470 print_inc CONFIG_SYSROOT "$sysroot"
 471 print_inc CONFIG_TCCDIR "$tccdir"
 472 print_mak CONFIG_USR_INCLUDE "$tcc_usrinclude"
 473 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
 474 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
 475 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
 476 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
 477 print_mak CONFIG_LDDIR "$tcc_lddir"
 478 print_mak CONFIG_TRIPLET "$triplet"
 479 print_mak TCC_CPU_VERSION "$cpuver" num
 480
 481 if test "$cpu" = "aarch64" ; then
 482   echo "ARCH=arm64" >> config.mak
 483 else
 484   echo "ARCH=$cpu" >> config.mak
 485 fi
 486 echo "TARGETOS=$targetos" >> config.mak
 487
 488 predefs="1"
 489 for v in $confvars ; do
 490   test "$v" = "predefs=no" && predefs=""
 491   if test "${v%=*}" = "$v"; then
 492     echo "CONFIG_$v=yes" >> config.mak
 493   else
 494     echo "CONFIG_$v" >> config.mak
 495   fi
 496 done
 497 print_inc CONFIG_TCC_PREDEFS "$predefs" num
 498
 499 version=`head $source_path/VERSION`
 500 echo "VERSION = $version" >> config.mak
 501 echo "#define TCC_VERSION \"$version\"" >> $TMPH
 502 echo "@set VERSION $version" > config.texi
 503
 504 if test "$source_path_used" = "yes" ; then
 505     case $source_path in
 506        /*) echo "TOPSRC=$source_path";;
 507         *) echo "TOPSRC=\$(TOP)/$source_path";;
 508      esac >>config.mak
 509 else
 510      echo 'TOPSRC=$(TOP)' >>config.mak
 511 fi
 512 cat >>$TMPH <<EOF
 513 #define GCC_MAJOR $gcc_major
 514 #define GCC_MINOR $gcc_minor
 515 #define CC_NAME CC_${cc_name}
 516 EOF
 517
 518 diff $TMPH config.h >/dev/null 2>&1
 519 if test $? -ne 0 ; then
 520     mv -f $TMPH config.h
 521 else
 522     echo "config.h is unchanged"
 523 fi
 524
 525 rm -f $TMPN* $CONFTEST
 526
 527 # ---------------------------------------------------------------------------
 528 # build tree in object directory if source path is different from current one
 529
 530 fn_makelink()
 531 {
 532     tgt=$1/$2
 533     case $2 in
 534     */*) dn=${2%/*}
 535          test -d $dn || mkdir -p $dn
 536          case $1 in
 537          /*) ;;
 538           *) while test $dn ; do
 539                 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
 540              done
 541              ;;
 542          esac
 543          ;;
 544     esac
 545
 546     ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
 547 }
 548
 549 if test "$source_path_used" = "yes" ; then
 550   FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
 551   for f in $FILES ; do
 552     fn_makelink $source_path $f
 553   done
 554 fi
 555
 556 # ---------------------------------------------------------------------------